<template>
  <a-card :loading="cardLoading" :bordered="false">
    <a-spin :spinning="loading">
      <a-input-search
        @search="handleSearch"
        style="width:100%;margin-top:2px"
        placeholder="输入机构名称查询..."
        enterButton
      />
      <a-tree
        showLine
        checkStrictly
        :expandedKeys.sync="expandedKeys"
        :selectedKeys="selectedKeys"
        :dropdownStyle="{ maxHeight: '200px', overflow: 'auto' }"
        :treeData="treeDataSource"
        @select="handleTreeSelect"
      />
    </a-spin>
  </a-card>
</template>

<script>
import { queryMyDeptTreeByParentIds, searchByKeywords } from '@/api/api'

export default {
  name: 'AddressListLeft',
  props: ['value'],
  data() {
    return {
      cardLoading: true,
      loading: false,
      treeDataSource: [],
      selectedKeys: [],
      expandedKeys: []
    }
  },
  created() {
    this.queryTreeData()
  },
  methods: {
    queryTreeData(keyword) {
      this.commonRequestThen(
        queryMyDeptTreeByParentIds({
          departName: keyword ? keyword : undefined
        })
      )
    },

    handleSearch(value) {
      if (value) {
        this.commonRequestThen(searchByKeywords({ keyWord: value }))
      } else {
        this.queryTreeData()
      }
    },

    handleTreeSelect(selectedKeys, event) {
      if (selectedKeys.length > 0 && this.selectedKeys[0] !== selectedKeys[0]) {
        this.selectedKeys = [selectedKeys[0]]
        let orgId = event.node.dataRef.id
        let name = event.node.dataRef.departName
        this.emitInput(orgId, name)
      }
    },

    emitInput(orgId, name) {
      this.$emit('input', orgId)
      this.$emit('getDeptName', name)
    },

    commonRequestThen(promise) {
      this.loading = true
      promise
        .then(res => {
          if (res.success) {
            this.treeDataSource = res.result
            // update-begin- --- author:wangshuai ------ date:20200102 ---- for:去除默认选中第一条数据、默认展开所有第一级
            // 默认选中第一条数据、默认展开所有第一级
            if (res.result.length > 0) {
              this.expandedKeys = []
              res.result.forEach((item, index) => {
                // if (index === 0) {
                //   this.selectedKeys = [item.id]
                //   this.emitInput(item.id)
                // }
                this.expandedKeys.push(item.id)
              })
            }
            // update-end- --- author:wangshuai ------ date:20200102 ---- for:去除默认选中第一条数据、默认展开所有第一级
          } else {
            this.$message.warn(res.message)
            console.error('组织机构查询失败:', res)
          }
        })
        .finally(() => {
          this.loading = false
          this.cardLoading = false
        })
    }
  }
}
</script>
<style lang="less" scoped>
/deep/ .ant-card-body {
  padding: 0 24px;
}
</style>

